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Better way to check variable for null or empty string?
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// Function for basic field validation (present and neither empty nor only white space
function IsNullOrEmptyString($str){
return (!isset($str) || trim($str) === '');
}
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Multiple commands in an alias for bash
I'd like to define an alias that runs the following two commands consecutively.
9 Answers
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How do I insert NULL values using PDO?
I'm using this code and I'm beyond frustration:
9 Answers
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Concatenate text files with Windows command line, dropping leading lines
I need to concatenate some relatively large text files, and would prefer to do this via the command line. Unfortunately I only have Windows, and cannot install new software.
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How can you do paging with NHibernate?
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From NHibernate 3 and above, you can use QueryOver<T>:
var pageRecords = nhSession.QueryOver<TEntity>()
.Skip((PageNumber - 1) * PageSize)
.Take(PageSize)
.List();
You may also want to explici...
Can my enums have friendly names? [duplicate]
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You can use the System.ComponentModel.DataAnnotations and add an display attr. (like: [Display(Name = "This Name doesn't work")])
– Cas Bloem
Jan 18 '16 at 16:17
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Easy way to see saved NSUserDefaults?
...e:
<Bundle Identifier>.foo.pList
Open this up in the pList editor and browse persisted values to your heart's content.
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How to swap the buffers in 2 windows emacs
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This solution is perfect, and the comments are very clear - just make sure you read them :)
– Martin Clarke
Jun 9 '10 at 17:38
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How do I get the current line number?
...ose using .Net 4.5 or later, consider the CallerFilePath, CallerMethodName and CallerLineNumber attributes in the System.Runtime.CompilerServices namespace. For example:
public void TraceMessage(string message,
[CallerMemberName] string callingMethod = "",
[CallerFilePath] string ca...
Overriding the java equals() method - not working?
I ran into an interesting (and very frustrating) issue with the equals() method today which caused what I thought to be a well tested class to crash and cause a bug that took me a very long time to track down.
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